WT – tees

WT305x249

Standard: ASTM A6/A6M (désignations métriques)Source: SI values from the AISC v16.0 database (ASTM A6 shapes common to Canada)
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
xybf = 343d = 351tf = 63tf = 63tw = 35.1tw = 35.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
351mm
Flange widthbf
343mm
Web thicknesstw
35.1mm
Flange thicknesstf
63mm
Distance k (design)kdes
75.7mm
Distance k (detailing)kdet
95.3mm

Mass and area

Mass per lengthm
249kg/m
Cross-sectional areaA
31,700mm²

Strong axis x–x

Moment of inertiaIx
28610⁶ mm⁴
Elastic section modulusSx
1,09010³ mm³
Plastic section modulusZx
2,02010³ mm³
Radius of gyrationrx
94.7mm

Weak axis y–y

Moment of inertiaIy
21410⁶ mm⁴
Elastic section modulusSy
1,24010³ mm³
Plastic section modulusZy
1,95010³ mm³
Radius of gyrationry
82mm

Torsion and stability

Torsional constantJ
31,50010³ mm⁴
Warping constantCw
10910⁹ mm⁶
Polar radius (shear center)r̄o
137mm
Flexural constantH
0.837

Centers

Centroidȳ
86.9mm
Plastic neutral axisyp
46.2mm

Slenderness ratios

Flange slendernessbf/2tf
2.73
Wall slendernessD/t
10

Equivalents in other standards